En el triángulo de la figura rectángulo en C, con catetos a=20cm y b=15cm. Hallar la hipotenusa, el ángulo B , el perímetro y el área. ayuda porfavor es un examen

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle